Rollator



FIG. 1 is a rear perspective of a rollator showing my new design;

FIG. 2 is a left side view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a front perspective view thereof.

The portions of the Figures shown in phantom lines are not part of the claimed design but are for illustration only. 

The ornamental design for an rollator, as shown and described. 